<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="@/assets/logo.png" />
        <span>电商管理</span>
      </div>

      <button @click="logout" type="info">退出</button>
    </el-header>
    <!-- 页面主题区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isClose ? '64px' : '200px'">
        <div class="togger" @click="togggler">|||</div>
        <!-- 侧边栏菜单区域 -->
        <el-menu :default-active="activePath" router background-color="#333744" text-color="#fff" active-text-color="#409EFF" :unique-opened="true" :collapse="isClose" :collapse-transition="false">
          <!-- 一级菜单 -->
          <el-submenu :index="`${item.id}`" v-for="item in menuList" :key="item.id">
            <!-- 模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{ item.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item @click="saveNavState('/' + `${subitem.path}`)" :index="'/' + `${subitem.path}`" v-for="subitem in item.children" :key="subitem.id">
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{ subitem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容主体 -->
      <el-main><router-view></router-view></el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      menuList: [],
      iconObj: {
        125: 'el-icon-s-custom',
        103: 'el-icon-user-solid',
        101: 'el-icon-s-goods',
        102: 'el-icon-document',
        145: 'el-icon-coin'
      },
      //  是否折叠
      isClose: false,
      // 被激活的链接
      activePath: ''
    }
  },
  created() {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    logout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menuList = res.data
      // console.log(res)
    },
    // 点击按钮切换菜单折叠
    togggler() {
      this.isClose = !this.isClose
    },
    // 保存连接激活状态
    saveNavState(activePath) {
      window.sessionStorage.setItem('activePath', activePath)

      this.activePath = activePath
    }
  }
}
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
  }
  img {
    height: 60px;
  }
  span {
    margin-left: 15px;
  }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.togger {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
